Su Li, the demigod who guarded the Star Roulette, fell to the earth due to the abnormal movement of the roulette wheel, and accidentally signed a "blood contract" with Yun Zhi, the king of the Netherworld. The two fell in love with each other while fighting against shadow creatures and repairing their spiritual veins, but found that all conspiracies pointed to the death of Xingguisi thousands of years ago. When the Obsidian Jade awakens, Su Li is faced with the choice of sacrificing herself to restart reincarnation, or fighting against fate with Yun Zhi. The real threat turns out to be the "Mother of Shadows" dormant deep in her spiritual veins...
